Oct 13 01:00:22.811 INFO checking ashermancinelli/rust-ml against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:00:22.811 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 01:00:23.107 INFO blam! b64f33cc23fd86563f57f008318802fe747798a83347f1ee24f4d084219bf206
Oct 13 01:00:23.113 INFO running `"docker" "start" "-a" "b64f33cc23fd86563f57f008318802fe747798a83347f1ee24f4d084219bf206"`
Oct 13 01:00:23.824 INFO kablam! usermod: no changes
Oct 13 01:00:23.911 INFO kablam!     Checking num v0.1.42
Oct 13 01:00:24.400 INFO kablam!     Checking rulinalg v0.3.7
Oct 13 01:00:27.592 INFO kablam!     Checking rusty-machine v0.5.4
Oct 13 01:00:29.642 INFO kablam!     Checking rust-ml v0.0.1 (/source)
Oct 13 01:00:30.469 INFO kablam! warning: unused variable: `data`
Oct 13 01:00:30.469 INFO kablam!   --> src/main.rs:33:12
Oct 13 01:00:30.470 INFO kablam!    |
Oct 13 01:00:30.470 INFO kablam! 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Oct 13 01:00:30.470 INFO kablam!    |            ^^^^ help: consider using `_data` instead
Oct 13 01:00:30.471 INFO kablam!    |
Oct 13 01:00:30.471 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:00:30.471 INFO kablam! 
Oct 13 01:00:30.478 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:00:30.478 INFO kablam!   --> src/main.rs:37:13
Oct 13 01:00:30.478 INFO kablam!    |
Oct 13 01:00:30.478 INFO kablam! 37 |         let mut l_to_str: Vec<String> = Vec::new();
Oct 13 01:00:30.478 INFO kablam!    |             ----^^^^^^^^
Oct 13 01:00:30.478 INFO kablam!    |             |
Oct 13 01:00:30.478 INFO kablam!    |             help: remove this `mut`
Oct 13 01:00:30.478 INFO kablam!    |
Oct 13 01:00:30.478 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 01:00:30.478 INFO kablam! 
Oct 13 01:00:30.480 INFO kablam! warning: field is never used: `train_data`
Oct 13 01:00:30.480 INFO kablam!   --> src/main.rs:26:5
Oct 13 01:00:30.480 INFO kablam!    |
Oct 13 01:00:30.480 INFO kablam! 26 |     train_data: Vec<Vec<f32>>,
Oct 13 01:00:30.480 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.480 INFO kablam!    |
Oct 13 01:00:30.480 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 01:00:30.480 INFO kablam! 
Oct 13 01:00:30.480 INFO kablam! warning: field is never used: `train_labels`
Oct 13 01:00:30.480 INFO kablam!   --> src/main.rs:27:5
Oct 13 01:00:30.480 INFO kablam!    |
Oct 13 01:00:30.480 INFO kablam! 27 |     train_labels: Vec<usize>,
Oct 13 01:00:30.480 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.480 INFO kablam! 
Oct 13 01:00:30.480 INFO kablam! warning: field is never used: `label_to_string`
Oct 13 01:00:30.480 INFO kablam!   --> src/main.rs:28:5
Oct 13 01:00:30.480 INFO kablam!    |
Oct 13 01:00:30.480 INFO kablam! 28 |     label_to_string: Vec<String>,
Oct 13 01:00:30.480 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.480 INFO kablam! 
Oct 13 01:00:30.532 INFO kablam! warning: unused variable: `data`
Oct 13 01:00:30.533 INFO kablam!   --> src/main.rs:33:12
Oct 13 01:00:30.533 INFO kablam!    |
Oct 13 01:00:30.533 INFO kablam! 33 |     fn new(data: Vec<Vec<String>>) -> Dataset {
Oct 13 01:00:30.534 INFO kablam!    |            ^^^^ help: consider using `_data` instead
Oct 13 01:00:30.534 INFO kablam!    |
Oct 13 01:00:30.534 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:00:30.535 INFO kablam! 
Oct 13 01:00:30.541 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:00:30.541 INFO kablam!   --> src/main.rs:37:13
Oct 13 01:00:30.541 INFO kablam!    |
Oct 13 01:00:30.542 INFO kablam! 37 |         let mut l_to_str: Vec<String> = Vec::new();
Oct 13 01:00:30.542 INFO kablam!    |             ----^^^^^^^^
Oct 13 01:00:30.542 INFO kablam!    |             |
Oct 13 01:00:30.542 INFO kablam!    |             help: remove this `mut`
Oct 13 01:00:30.543 INFO kablam!    |
Oct 13 01:00:30.543 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 01:00:30.543 INFO kablam! 
Oct 13 01:00:30.544 INFO kablam! warning: field is never used: `train_data`
Oct 13 01:00:30.544 INFO kablam!   --> src/main.rs:26:5
Oct 13 01:00:30.544 INFO kablam!    |
Oct 13 01:00:30.545 INFO kablam! 26 |     train_data: Vec<Vec<f32>>,
Oct 13 01:00:30.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.545 INFO kablam!    |
Oct 13 01:00:30.546 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 01:00:30.546 INFO kablam! 
Oct 13 01:00:30.546 INFO kablam! warning: field is never used: `train_labels`
Oct 13 01:00:30.547 INFO kablam!   --> src/main.rs:27:5
Oct 13 01:00:30.547 INFO kablam!    |
Oct 13 01:00:30.547 INFO kablam! 27 |     train_labels: Vec<usize>,
Oct 13 01:00:30.547 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.548 INFO kablam! 
Oct 13 01:00:30.548 INFO kablam! warning: field is never used: `label_to_string`
Oct 13 01:00:30.548 INFO kablam!   --> src/main.rs:28:5
Oct 13 01:00:30.549 INFO kablam!    |
Oct 13 01:00:30.549 INFO kablam! 28 |     label_to_string: Vec<String>,
Oct 13 01:00:30.549 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:00:30.550 INFO kablam! 
Oct 13 01:00:30.555 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
Oct 13 01:00:30.558 INFO kablam! su: No module specific data is present
Oct 13 01:00:30.958 INFO running `"docker" "rm" "-f" "b64f33cc23fd86563f57f008318802fe747798a83347f1ee24f4d084219bf206"`
Oct 13 01:00:31.123 INFO blam! b64f33cc23fd86563f57f008318802fe747798a83347f1ee24f4d084219bf206